December weather forecast
Beaufort, SC

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Weather in December

December brings Beaufort full circle, culminating in the return of the cooler temperatures. The fall in temperature, down to an average high of 61.3°F (16.3°C), and low of 49.1°F (9.5°C), brings forth the chill of winter after the moderate climes of November. The city encounters the shortest daylight hours of the year, deepening the winter ambiance. The onset of winter means frequent winds and vibrant holiday lights brightening up the town, making December a magical time in Beaufort.

Temperature

Beaufort's progression into December involves a gentle drop in the average high-temperature, from a refreshing 66.9°F (19.4°C) in November to a still enjoyable 61.3°F (16.3°C). Beaufort, during the month of December, experiences an average low-temperature of 49.1°F (9.5°C).

Humidity

With an average relative humidity of 77%, December is the most humid month.

Rainfall

In Beaufort, in December, during 10.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Beaufort, during the entire year, the rain falls for 154.7 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Beaufort, during the entire year, snow falls for 0.4 days.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of December in Beaufort, South Carolina, sunrise is at 7:06 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:27 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.6h of sunshine.

UV index

In Beaufort, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 4 during December, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Beaufort?

The average high-temperature and low-temperature in Beaufort, South Carolina, during December are 61.3°F (16.3°C) and 49.1°F (9.5°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 95°F (35°C).

What is the most humid month in Beaufort?

The most humid month is December, with an average relative humidity of 77%.

What is the average humidity in December in Beaufort?

In Beaufort, the average relative humidity in December is 77%.

How many days does it rain in December in Beaufort?

In Beaufort, in December, during 10.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When does it start snowing in Beaufort?

December is the first month it typically snows in Beaufort. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days in Beaufort?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

What is the average length of the day in December in Beaufort?

In December, the average day length in Beaufort is 10h and 4min.

When are sunrise and sunset in December in Beaufort?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 5:17 pm. On the last day of the month, in Beaufort, South Carolina, sunrise is at 7:24 am and sunset at 5:27 pm EST.

What is the month with the least sunshine in Beaufort?

With an average of 5.6h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Beaufort have in December?

In December, the average sunshine duration in Beaufort is 5.6h.

What is the UV index reading in December in Beaufort?

The average daily maximum UV index in December in Beaufort is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Beaufort, SC

Average temperature in December - Beaufort, SC
  • Average high temperature in December: 61.3°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.6°F).

  • Average low temperature in December: 49.1°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).

Average pressure in December
Beaufort, SC

Average pressure in December - Beaufort, SC
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in December
Beaufort, SC

Average wind speed in December - Beaufort, SC
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Beaufort, SC

Average humidity in December - Beaufort, SC
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).

Average rainfall in December
Beaufort, SC

Average rainfall in December - Beaufort, SC
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in December
Beaufort, SC

Average rainfall days in December - Beaufort, SC
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is November (6.8 days).

Average snowfall days in December
Beaufort, SC

Average snowfall days in December - Beaufort, SC
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Beaufort, SC

Average daylight in December / Average sunshine in December - Beaufort, SC
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in December
Beaufort, SC

Average sunshine days in December - Beaufort, SC
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is August (5.3 days).

Average UV index in December
Beaufort, SC

Average UV index in December - Beaufort, SC
  • Average UV index in December: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in December
Beaufort, SC

Average cloud cover in December - Beaufort, SC
  • Average cloud cover in December: 39

The months with the most cloud cover are February and December (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in December
Beaufort, SC

Average visibility in December - Beaufort, SC
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Beaufort, South Carolina, USA

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